Triumph / BSA Drive Side Crankshaft Roller Bearing - 70-9974 - B25 / C25 / TR25W / B31

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  • Regular price $ 79.95
  • 2 available

*Limited Supply!* NOS USA Made Norma Hoffmann BSA & Triumph Unit Single Crankshaft Drive Side Roller Bearing. You will get the one roller bearing as pictured. This is as good as it gets! We know these bearings are hard to find especially when they are new and original! We are proud to have these bearings in-stock! Once there gone there gone! Comes with a riveted two piece bronze cage and 10 individual rollers!Fits BSA Unit singles (C25, B25 & B44) from 1967-On. BSA B31 & B33 from 1949-1959. BSA B32 & B34 Competition from 1949-1957. Drive Side for M20 & M21 models from 1945-1957. Drive Side & Timing side on BSA B50 models from 1971-1972. Also fits Triumph TR25W Trophy drive side from 1968-On. Please refer to your parts catalog for proper fitment. 
*****For the record, Norma-Hoffmann precision roller bearings where produced and manufactured in the USA using the same design and specs (under license & patents) from the English Hoffmann bearing company. Hence the name Norma "Hoffmann".*****
•Made in the USA
•O.E.M Part number is MRJA25, NF305, 24-0724, R325L or 70-9974